package super03;

public class Father {
    public Father(){
        System.out.println("Father的空参构造");
    }
}

class Son extends Father{
    public Son(){
        this(3);
        System.out.println("Son的无参构造");
    }
    public  Son(int i){
        //super()
        System.out.println("Son的有参构造");
    }
}


